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Mumbai to breathe more of polluted air in coming times, warns study

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 In yet another red-flag, experts have warned that Mumbai could experience more days with ‘poor’ and ‘very poor’ air quality during winter in the coming years, as was witnessed during November-December, here on Monday.

A temporary silver lining could be in the form of Cyclone ‘Mandous’ aftermath with wind speed picking up over Mumbai that could result in a dip in pollutants in the coming days.

In the past 40 days from November 1 – December 10, Mumbai had 22 days of ‘poor’ category for air quality and for four days (December 5-8) it was in the ‘very poor’ range.

During the same period in 2021, the number of ‘poor’ days was only six with no ‘very poor’ air days indicating a sharp decline in 2022.

Last year, during the period there were 18 days when PM-2.5 was within the permissible limits but in 2022 there was only one day when PM-2.5 was in the permissible range.

In 2022, the 18 ‘poor’ and four ‘very poor’ air quality days the worst-affected were Malad, Chembur and Mazagaon, while Borivali, Navi Mumbai and Worli recorded the cleanest air during the period (November 1 – December 10).

Mumbai’s fresh air continues to be smothered by the transport sector (30 per cent), biofuels or residential emissions (20), industries (18), windblown dust (15) and the rest (17) related to weather factors including sea-salt, as per SAFAR study.

Waatavaran Foundation’s founder Bhagwan Kesbhat said that the Maharashtra government and municipal authorities must develop a Graded Response Action Plan (GRAP) that can set in motion a series of emergency measures whenever the air quality hits a certain threshold, besides health advisories and controlling pollution at the sources.

Convenor of Awaaz Foundation Sumaira Abdulali said the BMC has failed to issue health advisories through social media as was done during the Covid-19 pandemic so people can take precautions to safeguard their health on an individual and institutional level.

Anjal Prakash of Indian School of Business said that the city’s air quality has dipped due to the prevailing global meteorological conditions called the El Nino Southern Oscillation with an abnormal warming of the tropical Pacific Ocean that disrupts global atmospheric circulation and in turn influences temperatures and precipitation.

Dr. Harshal R. Salve of AIIMS urged that regional issues pertaining to poor air quality must be met with regional answers, plus quick-fixes like using N95 masks and putting out open fires, etc.

Business

Indian stock markets closed on account of Dussehra

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Indian stock markets will remain closed on Tuesday on account of Dussehra with trading suspended across major segments on the Bombay Stock Exchange (BSE) and National Stock Exchange (NSE).

Trading in equities, equity derivatives, securities lending and borrowing (SLB), currency derivatives and interest rate derivatives will remain closed for the day on both exchanges, according to them.

Notably, normal trading on NSE and BSE will resume on Wednesday.

However, the commodity derivatives segment will follow a different schedule. Trading will remain suspended during morning session from 9 am to 5 pm before resuming in evening. The session will continue till 11:30 pm or 11:55 pm depending on contract.

Multi Commodity Exchange of India (MCX) will not remain closed for entire day. Exchange will suspend trading during morning session from 9 am to 5 pm and reopen for evening session from 5 pm.

Investors will be able to trade commodities such as gold, silver, crude oil and base metals during evening session.

Meanwhile, National Commodity and Derivatives Exchange (NCDEX) will remain closed for both sessions on account of Dussehra.

Following Dussehra holiday, three regular trading holidays remain on NSE and BSE calendars for rest of 2026 — November 10, Tuesday, Diwali-Balipratipada; November 24, Tuesday, Prakash Gurpurb Sri Guru Nanak Dev; and December 25, Friday, Christmas.

In addition, exchanges have also scheduled a special Muhurat Trading session for November 8, 2026 on occasion of Diwali Laxmi Pujan. Timings for special session will be announced separately.

Notably, in the last session equity benchmarks closed in negative territory amid selling pressure in the banking and information technology (IT) sector stocks.

Sensex decreased over 850 points or 1 per cent to settle at 73,852.90 on Monday. Similarly, Nifty closed 257.20 points or 1.11 per cent lower at 22,888.95.

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Business

Govt asks Meta to review Facebook and Instagram recommendation systems

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The Ministry of Electronics and Information Technology (MeitY) has asked technology giant firm Meta to review the content recommendation and ranking systems that power Facebook and Instagram, stepping up regulatory scrutiny of how social media algorithms amplify information in India, according to multiple reports.

In an advisory issued to the company, the ministry had asked Meta to ensure that its recommendation systems do not lead to the disproportionate exposure of users to a single or limited set of narratives and instead provide greater access to diverse, relevant and credible information, according to them.

The ministry also directed Meta to strengthen mechanisms for rapidly identifying, reviewing and escalating content that gains significant reach through recommendation systems when such material has the potential to contribute to public confusion, violence or disruption of public order.

Apart from that, the US-based company has been asked to implement the measures immediately and inform the government of the action taken.

The advisory specifically highlights photographs, videos and graphics related to ongoing public events where the authenticity, timing, location or surrounding circumstances may be unclear.

It calls for additional context where old or unrelated visuals are presented as current, where footage has been selectively edited or where unverified claims are made regarding emergencies, police action or other official measures.

Additionally, this marks the latest escalation in the government’s scrutiny of Meta’s moderation and recommendation systems.

Earlier in August, government officials questioned Meta executives over content recommendation algorithms, deepfakes, synthetic media and safeguards against unlawful content.

Meta has separately tightened content and advertising safeguards following concerns related to child sexual exploitation material.

The company said earlier this month it deployed new AI-driven advertising review systems and removed 5.3 million pieces of child sexual exploitation content in India during January-June 2026, with more than 98% detected proactively.

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Business

Sensex, Nifty open flat amid mixed global cues

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Domestic equity benchmarks opened on a flat note on Monday tracking mixed global cues and momentum from last week’s gains.

Sensex opened at 74,849.30, up 120.03 points or 0.16 per cent, while Nifty began trading at 23,150.85, up 4.70 points or 0.02 per cent.

Sectorally, Nifty PSU Bank led gains and rose over 1 per cent, followed by Nifty Oil & Gas which surged 0.6 per cent.

In contrast, Nifty Private Bank, Nifty IT and Nifty Chemicals dropped up to 1 per cent.

Market experts said momentum from Nifty’s 2.8 per cent surge last week and good results from banking majors after better-than-expected IT earnings could keep the market resilient.

“However, escalation of tensions in Hormuz and consequent surge in Brent crude to $109 will act as a strong headwind,” according to them.

They further said that attractive large-cap valuations and rupee appreciation turned FII stance slightly positive, though unlikely to sustain at high crude prices. Large-caps outperforming mid and small-caps is likely to continue, with stock-specific action on Q2 results.

For Nifty, immediate support is placed at 22,950–23,000, while resistance is seen at 23,250–23,300, the experts said and added that RSI strengthened to 52.81 above its average of 34.70, while PCR stood at 1.08.

In the previous session on October 16, FIIs turned net buyers after 15 straight sessions of selling, buying equities worth about Rs 1,166 crore, while DIIs ended their 45-session buying streak with net sales of around Rs 3,661 crore.

On commodities, Brent crude traded nearly 2 per cent lower at around $107.76 per barrel, while US WTI declined about 1 per cent to $100.43.

In Asia, markets were mixed. Japan’s Nikkei traded 0.84 per cent lower, while Hong Kong’s Hang Seng and South Korea’s KOSPI rose up to 0.83 per cent. Indonesia’s Jakarta Composite fell over 5 per cent.

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